ECO code: A00
Kádas Opening e5 2.d4
The Kádas Opening begins with the unusual move 1. h4, followed by 2. d4 after Black responds with 1... e5. This opening is named after Hungarian player László Kádas, who experimented with early flank pawn moves combined with central strikes.
Characteristic: The early h4 is a provocative flank pawn push, aiming to provoke weaknesses or prepare for a quick kingside attack. However, it neglects immediate central control. The second move d4 directly challenges Black's central pawn on e5, striving to regain or contest the center quickly.
Attacking or Defensive: As White, this opening is somewhat unorthodox and aggressive in spirit, especially with h4 suggesting an attacking intent on the kingside. The follow-up d4 supports an active fight for the center. For Black, the position offers chances to seize central and developmental advantage given White’s early flank move.
Center Control: The opening does attack the center on the second move with d4. Although White delays immediate central influence by starting with h4, the move d4 signals an intent to challenge Black’s foothold in the center early on.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.